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... because it was never named outside of its respective game's files.

Mech Acro is a large enemy in the Kirby series, debuting in Kirby: Planet Robobot. It cannot be inhaled.

Physical Appearance

Mech Acro is a robotic orca created by the Haltmann Works Company. It is based on the design of Acro, an orca that Kirby encountered on Planet Popstar and Aqua Star. The robot has blue eyes, a gray dorsal side, and a white underbelly. It has a blue dorsal fin, pectoral fins (which are positioned at the middle of its body), and a propeller in the place of a tail. Mech Acro has a row of small, sharp teeth in its mouth and seven small holes on its face.


Kirby: Planet Robobot

Mech Acro appears exclusively in Stages 5 and 7 of Overload Ocean and Stage 7 of Access Ark. It swims around the ocean depths in circles endlessly, passing between planes as it does so. If Kirby is struck by the enemy, he is either launched directly into the screen or into the distance, depending on where he was hit in the robot's arc. Both cause Kirby to drop his Copy Ability. Mech Acro is immune to all attacks and is best avoided.


  • The seven holes on Mech Acro's face appear to be a speaker, though the enemy does not produce any internal noises.
  • When Mech Acro launches Kirby into the screen, a cloud of bubbles is released on impact.

Concept artwork